Spectacle or eyeglass mounting.



iatented May 26, 1903;

PATENT OFFICEO IVAN FOX, OF LANSDOWNE, PENNSYLVANIA,

SPECTACLE OR EYEGLASS MOUNTING.

SPECIFICATION forming part of Letters Patent No. 729,152, dated May 26, 1903-. Application filed March 21, 1902. $erial No. 99,340. (No model.)

To all whom it may concern:

Be it known that I, IVAN FOX, a citizen of the United States, residing at Lansdowne, Delaware county, Pennsylvania,have invented certain new and useful Improvements in Spectacle or Eyeglass Mountings, of which the following is a specification.

In the construction and arrangement of eye glass and spectacle mountings of the more usual construction, it has been customary to provide the inner end of each lens, with a post, stud, clamp, or the like, having a seat for the downwardly extending end of the bow spring, and the upwardly extending inner end of the supporting arm of the nose guard, said seat being equipped with two outwardly projecting parallel flanges extending along its side or vertical edges.

In the assemblage of the parts the ends of the bow spring and guard have been arranged in overlapped relationship in the space between said flanges, and a screw, to secure said parts has been passed through said overlapped ends into the clamp.

The vertically extending flanges which have served to rigidly confine the overlapping ends of the spring and guards, which fit between them, against rotary movement with respect to said screw, constitute very useful and advantageous members of the joint, whether employed in the form of mounting just referred to, or in the special form hereinafter described.

In the construction of a special form of spectacle and eye glass mounting, in which the bow spring is, instead of existing in approximately the plane of the lenses, disposed in front of the lenses and in a plane approximately perpendicular thereto, the practice has been resorted to of equipping the lenses with studs, clamps, or posts, which have their projecting flanges arranged in horizontal instead of vertical position, to receive the ends of the horizontally disposed bow spring.

This disposition of the studs and their flanges has, however, prevented the use, in connection with such mounting, of the ordinary forms of nose guards, in that it has necessitated that in connection with said studs should be provided specially constructed forms of nose guard, that is to say, guards the supporting arms of which are so arranged with respect to the plates or members which hearupon the nose, that said supporting arms will, when said plates or members are in the desired position, engage between said horizontally extending flanges.

It is the object of my invention to provide an inexpensive, simple, strong, and sightly, mounting for a spectacle or eye glass, the form and arrangement of the parts of which shall be such that its bow spring disposed in a plane approximately perpendicular to the plane of the lenses, may be firmly united to the studs, and that at the same time said studs shall be adapted to receive and make connection in the usual manner with nose guards of ordinary form.

In the drawings I show, and herein I de scribe, a good form of a convenient embodiment of my invention, the particular subject matter claimed as novel being hereinafter definitely specified.

In the accompanying drawings,

Figure 1 is a View, in front elevation, of portions of a pair of lenses, illustrating in connection therewith the construction and ar rangement of parts embodying my invention.

Figure 2 is a view,in perspective, of a stud, post, or clamp, the end portion of a bow spring, a guard, and a binding screw, the parts being separated to the more clearly illustrate their construction;

Similar letters of reference indicate corresponding parts.

In the accompanying drawings,

a are the lenses; 6 are studs, clamps, posts, or supports, the ends of which are provided with hearing plates '0 at the respective sides of which are arranged the vertically extending flanges d.

The studs or clamps are of the usual form except for the existence, in 'the form of my invention illustrated, in that one of each pair of flanges d which in the use of the glasses is farthest from the eyes of the wearer, and which, accordingly, I term the front flange, of an open topped recess c, shown as arranged in its central portion, and extending inward to a point approximatelyflush with the face of the bearing plate 0.

The details of the bodies and inner ends of the posts or clamps 0 may be varied at will.

f is a bow spring the body of which extends outward from the lens in'a plane which is approximately perpendicular to that of said lenses, said spring being preferably provided with loops or bights g the axes of curvature of which are approximately vertical and which loops or bights preferably extend in front of and past the inner edge portions of the lenses in connection with which the bow spring is employed. Said spring is approximately of C-form.

The precise form and arrangement of the body of said bow spring is not of the essence of my invention, and although I speak of it as in a plane perpendicular to the plane of the lenses it is to be understood that this particular feature may be varied widely.

In the embodiment of my invention illustrated, the breadth of the recesses e corresponds to the breadth of the inner ends or neck portions of the bow spring f, that is to say, the portions of the springs located just adjacent to the heads h, so that said necks accurately fit within said recesses and extend from edge to edge thereof.

The inner ends of the spring are equipped with heads 71 which may from their shape be termed T-heads, preferably of breadth corresponding to the distance between the respective pairs of flanges d, and of height approximately corresponding to the length of said flanges. Said heads are each provided with an aperture '11 to receive a fastening screw.

The respective upper and lower portions of said T-heads, in the preferred embodiment of my invention, extend respectively above and below thenecks of the spring. Said heads are adapted to be arranged respectively between the respective pairs of flanges d, d, the upper arm or extension of each head making contact with the respective innerfaces of the upper ends, and the lower arm or extension of each head making contact with the respective inner faces of thelower ends, of the flanges between which said heads are respectively engaged.

When the bow spring is made in the preferred form, the said heads are each in a vertical plane approximately parallel with the axis of curvature of the adjacent loop, and, furthermore,in such position that their broad side faces oppose or confront each other, as distinguished from existing in a common plane.

The nose guards shown, which happen to be illustrated, (and, of course, other forms may be employed,) consist each of a supporting armj the upper end of which is provided with an aperture for a fastening screw, and the lower end of which merges into the bearing plate m, having, if desired, any suitable facing through which it may directly bear upon the nose of the wearer.

The necks of the bow spring lie within the recesses e, and extending from edge to edge thereof, are securely held thereby.

The upper ends of the supporting armsj are applied between the respective pairs of flanges d, with their apertures 70 in registry with the apertures 6.

When the parts are thus assembled screws 0 entered through the openings 7c iinto threaded openings at in the stud posts or clamps secure the parts intheir assembledcondition.

It will be obvious that in the practice of my invention, in lieu of the particular form of nose guard shown, any desired form of nose guard adapted to a stud clamp or post having vertically disposed side flanges, may be employed in connection with the type of bow spring illustrated.

It will be understood that notwithstanding the formation of the recesses e the effective ness of the flanges din their functions of furnishing support to the bow spring and nose guards, and restraining said spring and guards from rotative movement upon or with respect to the screws is not impaired, but that, on the contrary, the arrangement of the bow spring within the recesses 6 enables the respective edges of said recesses, by their contact with the edges of said bow spring, to exercise a restraining influence against rotative movement of said spring, additional to that furnished by the flanges (1 against the sides of the heads of the spring.

The prevention of rotary movement of the spring is obviously a matter of importance.

The term support, as employed in the claims, is used generically and in its broadest sense, to cover all such structuresor attachments as clamps, posts, and kindred devices, adapted on the one hand to connect with a lens or a lens'frame, and on the other to support the bow spring and nose guard.

Having thus described my invention, I claim- 1. In an eye glass or spectacle mounting, in combination, a support at the outer end of which are a vertically extending front flange and a vertically extending rear flange, said front flange embodying a central recess, and a bow spring having a T-head, which head is engaged between said flanges, and the end portion of which bow spring'adjacent to said head is engaged in said recess, substantially as set forth.

2. A mounting for an eye glass or spectacle, including, in combination, a support having a pair of vertically extending flanges one of which embodies a recess, a bow spring the end portion of which extends through said recess to the space between said flanges, and means for securing said spring end to said support, substantially as set forth.

3. A mounting for an eye glass or spectacle, including, in combination, a support, having a flange arranged in approximate parallelism with the lenses, and also a projecting portion conformed to receive and be engaged by a bow spring, and a bow spring the end of which is received between said projecting portion and said flange and the substance of which, adjacent to said end, is conformed to engage with said projecting portion, and means for securing said spring to said support.

4. A mounting for an eye glass or spectacle, including, in combination, a support having a bearing plate or face with a tapped opening, a vertically extending front flange and a vertically extending rear flange at the respective side edges of said plate or face, said front flange having a recess, abow spring the neck of which snugly fits within said recess, and the end of which extends across the tapped opening, and a nose guard the supporting arm of which extends between said flanges in parallelism with them, said how spring end and the supporting arm of the nose guard having each an aperture in registry with said tapped opening, andascrew adapted to pass through said apertures into said tapped opening.

5. A bow spring for an eye glass mounting, embodying a loop near each of its end portions, and provided at its respective ends with flat heads of greater vertical dimensions than those portions of the spring immediately adjacent to them, the planes of which heads are in parallelism with the axes of curvature of said loops, and the broad faces of which heads confront each other.

6. An approximately C-shaped spring for an eye glass, the respective ends of which spring are provided with heads the respective ends of which extend respectively above and below the immediately adjacent end portions of the spring body, said ends being arranged with their broad faces confronting or opposing each other.

7. In a mounting for a spectacle or eye glass, in combination, a pair of supports, each of which has a vertically extending front flange and a vertically extending rear flange, said vertically extending front flanges having each a recess intermediate of its length, a bow springhavingaT-head at each end, said heads being arranged to fit respectively between the respective pairs of flanges, and the portions of said spring adjacent to said heads being adapted to fit within the recesses of the respective front flanges, and means for securing said spring in said position, substantially as set forth.

8. In a mounting for a spectacle or eye glass, in combination, a pair of supports, each of which has a vertically extending front flange and a vertically extending rear flange, said vertically extending front flanges having each a recess intermediate of its length, a bow spring having a T-head ateach end, said heads being arranged to fit respectively between the respective pairs of flanges, and the portions of said spring adjacent to said heads being adapted to fit within the recesses of the respective front flanges, a pair of nose guards, the supporting arms of which are when said guards are in operative position adapted to extend between the respective pairs of flanges, and devices for securing said guards and spring to the respective supports, substantially as set forth.

In testimony that I claim the foregoing as my invention I have hereunto signed my name this 20th day of March, A. D. 1902.

IVAN FOX.

In presence of- S. SALOME BROOKE, F. NORMAN DIXON. 

